Guidelines for developing testing

• Include all of a software components

• Need not be very expensive or elaborate

• All subjects need not involve all subjects

• Design problems can be studied with few users

• Apply testing early and often

Recording the usability test

• Provide comfortable location for participants• Don’t interrupt participants• Record the techniques and search patterns

users employ when attempting to work through a difficulty

• Record the time taken to perform a task, and problems faced by them

• Record the results using portable tape recorder or camera

• This is followed by user satisfaction test and questionair

User satisfaction test

• Process of quantifying usability test with measurable attributes of the test such as functionality , cost or ease of use– Ex: 90 5 of the people should know to

withdraw money from ATM without training or error

objectives

• Used as communication vehicle bw designers, and also bw users and designers

• To detect and evaluate changes during the design process

• To provide a periodic indication of divergence of opinion about current design

Guidelines for developing user satisfaction test

• Must work with users or clients to find out what attributes should be included in the test

• Limit the number of attributes• some attributes are

– ease of ues– functionality– Cost– reliability

Tool for user satisfaction test

• Commercial Off the Shelf (COTS)

• User Satisfaction Test Spreadsheet (USTS)